ryanjbaxter

Add back missing logging.  Fixes 1679

Author: wind57

spring-cloud-kubernetes-commons/src/main/java/org/springframework/cloud/kubernetes/commons/discovery/DiscoveryClientUtils.java

@@ -28,6 +28,7 @@
 
 import org.springframework.cloud.client.ServiceInstance;
 import org.springframework.core.log.LogAccessor;
+import org.springframework.util.StringUtils;
 
 import static org.springframework.cloud.kubernetes.commons.config.ConfigUtils.keysWithPrefix;
 import static org.springframework.cloud.kubernetes.commons.discovery.KubernetesDiscoveryConstants.EXTERNAL_NAME;
@@ -126,7 +127,8 @@ public static ServicePortNameAndNumber endpointsPort(Map<String, Integer> existi
 				return portData.get();
 			}
 
-			logWarnings();
+			logServiceSpecificWarning(serviceMetadata.name(), primaryPortName);
+			logGenericWarning();
 			Map.Entry<String, Integer> first = existingPorts.entrySet().iterator().next();
 			return new ServicePortNameAndNumber(first.getValue(), first.getKey());
 
@@ -223,11 +225,21 @@ private static Optional<ServicePortNameAndNumber> fromMap(Map<String, Integer> e
 		}
 	}
 
-	private static void logWarnings() {
+	private static void logServiceSpecificWarning(String serviceName, String primaryPortName) {
+		if (StringUtils.hasText(primaryPortName)) {
+			LOG.warn(() -> "Could not find a port named '" + primaryPortName + "', 'https', or 'http' for service '"
+					+ serviceName + "'.");
+		}
+		else {
+			LOG.warn(() -> "Could not find a port named 'https' or 'http' for service '" + serviceName + "'.");
+		}
+	}
+
+	private static void logGenericWarning() {
 		LOG.warn(() -> """
 				Make sure that either the primary-port-name label has been added to the service,
 				or spring.cloud.kubernetes.discovery.primary-port-name has been configured.
-				Alternatively name the primary port 'https' or 'http'
+				Alternatively name the primary port 'https' or 'http'.
 				An incorrect configuration may result in non-deterministic behaviour.""");
 	}
 

spring-cloud-kubernetes-commons/src/test/java/org/springframework/cloud/kubernetes/commons/discovery/DiscoveryClientUtilsTests.java

@@ -526,10 +526,12 @@ void testEndpointsPortNullPrimaryPortName(CapturedOutput output) {
 			.contains("not found primary-port-name (with value: 'null') via properties or service labels"));
 		Assertions.assertTrue(output.getOut().contains("not found primary-port-name via 'https' to match port"));
 		Assertions.assertTrue(output.getOut().contains("not found primary-port-name via 'http' to match port"));
+		Assertions.assertTrue(
+				output.getOut().contains("Could not find a port named 'https' or 'http' for service 'spring-k8s'."));
 		Assertions.assertTrue(output.getOut().contains("""
 				Make sure that either the primary-port-name label has been added to the service,
 				or spring.cloud.kubernetes.discovery.primary-port-name has been configured.
-				Alternatively name the primary port 'https' or 'http'
+				Alternatively name the primary port 'https' or 'http'.
 				An incorrect configuration may result in non-deterministic behaviour."""));
 	}
 
@@ -562,10 +564,12 @@ void testEndpointsPortPrimaryPortNameIsPresentButNotFound(CapturedOutput output)
 			.contains("not found primary-port-name (with value: 'three') via properties or service labels"));
 		Assertions.assertTrue(output.getOut().contains("not found primary-port-name via 'https' to match port"));
 		Assertions.assertTrue(output.getOut().contains("not found primary-port-name via 'http' to match port"));
+		Assertions.assertTrue(output.getOut()
+			.contains("Could not find a port named 'three', 'https', or 'http' for service 'spring-k8s'."));
 		Assertions.assertTrue(output.getOut().contains("""
 				Make sure that either the primary-port-name label has been added to the service,
 				or spring.cloud.kubernetes.discovery.primary-port-name has been configured.
-				Alternatively name the primary port 'https' or 'http'
+				Alternatively name the primary port 'https' or 'http'.
 				An incorrect configuration may result in non-deterministic behaviour."""));
 	}